WiseGeek.com, an informational website and search engine, wrote in its article "What Is Cannabidiol?" (accessed Sep. 26, 2011):

“Cannabidiol is a cannabinoid and a major component of the cannabis plant, or marijuana plant. By itself, cannabidiol lacks the psychoactive effects most commonly associated with marijuana use yet still retains many of the medicinal benefits, such as its anti-seizure and anti-inflammatory effects. The legal status of cannabidiol varies from country to country. In the United States, for instance, it and all other phytocannabinoids are classified as Schedule I controlled substances, making possession or ingestion illegal.”

Sep. 26, 2011